Cách khas ( vừa r lộn )
\(x-5-7=x-1-x+2\)
\(x-5-7-x+1+x-2=0\)
\(x-13=0\)
\(x=13\)
Các câu hỏi tương tự
TIM SO NGUYEN X BIET :
A, (X-5)-7=X-1-(X-2)
giup mk voi, ai nhanh mk tick
tim cac cap so nguyen x,y bt rang (3x-12).(y-5)=7.Giup mk voi ai dung mk tick cho
tim cac so nguyen x, y biet
a)(x - 2)(y + 3)= 5
b) (x + 1)(y - 5) =-7
*AI GIUP VOI
Tim so nguyen X biet
a; (X2 + 1) * ( X - 3 ) < 0
b; (X + 7 ) * ( X - 4) > 0
c;( X2 + 5 ) * ( X2 - 16 ) > 0
Giup mk voi ^ - ^ ! ! !..............! ! !
bai 1 : tim cac so nguyen x va y biet: x . y = -15
bai 2 : tim cac so nguyen n sao cho n - 3 chia het cho n - 1
CAC BAN GIUP MK NHA .
AI LAM NHANH VA DUNG THI MK SE TICK CHO ^ _ ^
a) tim so nguyen x sao cho : 4x+5 chia het cho 2x-1
b) tim so nguyen x va y biet : xy+3x-2y -11 = 0
giup mik nha ! ai nhanh nhat mik tick cho !
TIM CAC SO NGUYEN X DE BIEU THUC SAU LA SO NGUYEN:
A=6 /X-2
B=X+1/X-2
C=X-5/X+2
MK CAN GAP LM NHANH GIUP MK!!!
Viet tap hop A cac so nguyen x biet rang:
-42/14 be hon hoac = x be hon 5/8
Giup mk bai nay voi mk se tick bn nao co loi giai chi tiet
1 tim cac so nguyen x,y biet
x/7=6/21
-5/y=20/28
1/2=x/12
x/8=-28/32
3/y=12/24
3/4=15/y
2 viet 3 phan so bang phan so -10/15
giup mk ti di ak mk tick cho